I will give you an example of a student who has been taught poorly:
When the student cares more about how a movement looks than how it works.
Charles C. Goodin
Charles C. Goodin (firstname.lastname@example.org) is a Karate researcher and writer, and the head of the Hawaii Karate Museum. These are his personal thoughts... and those of some excellent Guest Writers. See our Table of Contents.
"Karate Jutsu" means "China Hand art". Karate came to Okinawa from China. Only in the 1930s or so, was the term "Karate" changed to mean "Empty Hand". "China Hand" was used in Hawaii until after World War II, and is still used in some dojo.
For more information, please visit the Hawaii Karate Seinenkai website.